CN206018693U - Drawer type boiler air heater - Google Patents
Drawer type boiler air heater Download PDFInfo
- Publication number
- CN206018693U CN206018693U CN201620986720.4U CN201620986720U CN206018693U CN 206018693 U CN206018693 U CN 206018693U CN 201620986720 U CN201620986720 U CN 201620986720U CN 206018693 U CN206018693 U CN 206018693U
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- China
- Prior art keywords
- steam
- flange
- heat exchanging
- accommodating part
- tube heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011148 porous material Substances 0.000 claims description 29
- 230000004308 accommodation Effects 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000003628 erosive effect Effects 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 210000001138 tear Anatomy 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Air Supply (AREA)
Abstract
The utility model relates to a drawer type boiler fan heater, include: a shell frame and a tubular heat exchange element; the shell frame is arranged between the blower and the air preheater, and the interior of the shell frame is an accommodating space; the accommodating space comprises a first accommodating part and a second accommodating part, and the first accommodating part is communicated with an outlet air channel of the blower and an inlet air channel of the air preheater; the shell frame is provided with a steam pipe hole; a steam outer flange is arranged outside the steam pipe hole; the tubular heat exchange element is arranged in the accommodating space and can slide in the shell frame so as to switch between the positions of the first accommodating part and the second accommodating part; a steam inlet pipe of the tubular heat exchange element is connected with a steam inner flange; the steam pipeline is connected with the steam outer flange and used for inputting steam. The drawer type boiler air heater can reduce air resistance in an air duct, further reduce power consumption of a fan, and reduce erosion and abrasion of smoke and air to the tubular heat exchange element.
Description
Technical field
This utility model is related to boiler technology field, more particularly to a kind of drawer type Boiler Air Heater's.
Background technology
Boiler Air Heater's are the heat exchangers using steam heated airheater inlet air.Boiler Air Heater's are arranged on
Between pressure fan outlet and air preheater entrance, therefore also known as preposition regenerative air heater.Boiler Air Heater's make air inlet pre-
The air themperature of hot device is raised, and air preheater wall temperature is raised, so as to prevent cold end corrosion.
Determine that the factor of Boiler Air Heater's input mainly has ambient temperature, flue gas acid dew point temperature etc., if air preheat
The cold end wall temperature of device is less than flue gas dew point temperature, it is necessary to put into Boiler Air Heater's, intake air is heated.Typically when flat
Need to put into Boiler Air Heater's, but (the non-winter when the import air temperature of air preheater is higher when temperature is less than 20 DEG C
Season), it is not necessary to steam air heater is put into, but Boiler Air Heater's, also in air channel, air drag is still present, and blower fan still needs to overcome this
Some resistance runs, and causes to waste.
At present, Boiler Air Heater's of the prior art are fixed in air channel, are caused air drag in air channel larger, are unfavorable for
Reduce the power consumption of blower fan.
Utility model content
This utility model provides a kind of drawer type Boiler Air Heater's, solves or part solves prior art wind road
Interior air drag is larger, is unfavorable for the technical problem for reducing blower fan power consumption, it is achieved that reduce air drag in air channel, and then
Reduce the technique effect of blower fan power consumption.
A kind of drawer type Boiler Air Heater's that this utility model is provided include：
Casing frame, is arranged between pressure fan and air preheater, and internal is accommodation space；The accommodation space includes
First accommodating part and the second accommodating part, the described first accommodating part are pre- with the outlet conduits of the pressure fan and the air
The inlet conduits connection of hot device；The casing frame opens up steam pore；Steam outward flange is provided with outside the steam pore；
Tube heat exchanging component, is arranged in the accommodation space, and can slide in the casing frame, with described the
Switch between the position of one accommodating part and the second accommodating part；The steam inlet tube of the tube heat exchanging component is connected with
Steam inner flange；
Jet chimney, is connected with the steam outward flange, for being input into steam；
Wherein, when the tube heat exchanging component is slid onto the position of the described first accommodating part, the steam inner flange
The steam pore is stretched into, is coordinated with the steam outward flange by the steam inner flange and is fixed, by the steam inlet tube
Connect with the jet chimney.
Preferably, external diameter of the aperture of the steam pore not less than the steam inner flange；
The steam outward flange is weldingly fixed on outside the steam pore.
Preferably, the end of the jet chimney is fixed with first flange；
When the tube heat exchanging component is slid onto the position of the described first accommodating part, by the first flange, described
Steam outward flange and the steam inner flange are bolted to connection, and the steam inlet tube is connected with the jet chimney
Logical；
When the tube heat exchanging component is slid onto the position of the described second accommodating part, by the steam outward flange and the
One ring flange is fixedly connected, and to block the steam pore, closes the accommodation space in the casing frame.
Preferably, the tube heat exchanging component is slidably connected with the casing frame by pulley assembly；
The pulley assembly includes：Track, several pulleys and steel wire rope；
The track is fixedly connected with the casing frame；
Several pulleys described are arranged on the tube heat exchanging component, can be rolled on the track；
The steel wire rope is fixedly connected with the tube heat exchanging component, by pullling the steel wire rope, changes the tubular type
The relatively described casing frame sliding of thermal element.
Preferably, the casing frame opens up condensate pore；
Condensate outward flange is provided with outside the condensate pore；
The condensation water outlet pipe of the tube heat exchanging component is connected with condensate inner flange；
The end of the condensing water conduit is fixed with second flange；
Wherein, when the tube heat exchanging component is slid onto the position of the described first accommodating part, method in the condensate
Orchid stretches into the condensate pore, and the second flange, the condensate outward flange and the condensate inner flange are passed through spiral shell
Bolt is fixedly connected, and the condensation water outlet pipe is connected with the condensing water conduit；
When the tube heat exchanging component is slid onto the position of the described second accommodating part, by the condensate outward flange with
Second flange disk is fixedly connected, and to block the condensate pore, closes the accommodation space in the casing frame.
One or more technical schemes provided herein, at least have the following technical effect that or advantage：
As a result of fixing shell framework between pressure fan and air preheater, and it is accommodating sky inside casing frame
Between, the first accommodating part in accommodation space is connected with the inlet conduits of the outlet conduits and air preheater of pressure fan；Tubular type
Heat exchange element is slidably arranged in the accommodation space of casing frame, and can be cut the first accommodating part and the second holding part point between
Change place；Tube heat exchanging component is located in the position of the first accommodating part, and cold wind in air channel can be heated；When need not plus
During hot-flow flue, tube heat exchanging component is slid onto the position of the second accommodating part from the position of the first accommodating part, reduces air channel
Interior air drag.So, efficiently solve in prior art wind road that air drag is larger, be unfavorable for that reducing blower fan electric energy disappears
The technical problem of consumption, it is achieved that reduce air drag in air channel, and then reduce blower fan power consumption, while reduce wind to pipe type heat transfer unit
The technique effect that part washes away and weares and teares.
Description of the drawings
The structural representation of the drawer type Boiler Air Heater's that Fig. 1 is provided for this utility model embodiment；
The jet chimney of the drawer type Boiler Air Heater's that Fig. 2 is provided for this utility model embodiment and the company of steam inlet tube
Connect schematic diagram；
The steam outward flange of the drawer type Boiler Air Heater's that Fig. 3 is provided for this utility model embodiment and first flange disk
Connection diagram.
(part that each label is represented in diagram is followed successively by：1 tube heat exchanging component, 2 casing frames, 3 tracks, 4 steam pipes
Road, 5 condensing water conduits, 6 manholes, 7 steam inlet tubes, 8 steam inner flanges, 9 steam outward flanges, 10 first flanges, 11 first
Ring flange)
Specific embodiment
The embodiment of the present application provides a kind of drawer type Boiler Air Heater's, solves or part solves prior art wind
In road, air drag is larger, is unfavorable for the technical problem for reducing blower fan power consumption, by pressure fan and air preheater it
Between fixing shell framework, and be accommodation space inside casing frame, the accommodating part of first in accommodation space is gone out with pressure fan
The inlet conduits connection of one's intention as revealed in what one says road and air preheater；The accommodation space that tube heat exchanging component is slidably arranged in casing frame
Interior, it is achieved that to reduce air drag in air channel, and then reduce the technique effect of blower fan power consumption.
Referring to accompanying drawing 1, a kind of drawer type Boiler Air Heater's that this utility model is provided include：Casing frame 2 and tubular type are changed
Thermal element 1；Casing frame 2 is bolted between pressure fan and air preheater, and internal is accommodation space；Accommodation space
Including the first accommodating part and the second accommodating part, the first accommodating part is entered with the outlet conduits and air preheater of pressure fan
One's intention as revealed in what one says road is connected；Casing frame 2 opens up steam pore, and the aperture of steam pore is not less than the external diameter of steam inner flange 8；Steam pipe
Steam outward flange 9 is provided with outside hole, steam outward flange 9 is weldingly fixed on outside steam pore, jet chimney 4 and steam outward flange
9 connections, for being input into steam.Manhole 6 is opened up on casing frame 2, facilitates the maintenance or replacing of tube heat exchanging component 1.
Tube heat exchanging component 1 is arranged in accommodation space, and can be slided in casing frame 2, with the first accommodating part
And second accommodating part position between switch；The steam inlet tube 7 of tube heat exchanging component 1 is connected with steam inner flange 8.Work as pipe
When formula heat exchange element 1 is slid onto the position of the first accommodating part, steam inner flange 8 stretches into steam pore, by steam inner flange 8
Coordinate with steam outward flange 9 and fix, steam inlet tube 7 is connected with jet chimney 4.
Wherein, tube heat exchanging component 1 is slidably arranged in the accommodation space of casing frame 2, and can be in the first holding part
Point with the second holding part divide between switching position；When heating air duct is not needed, by tube heat exchanging component 1 from the first accommodating part
Position be slid onto the position of the second accommodating part, reduce the air drag in air channel, reduce the power consumption of blower fan, realize section
Can, while reducing wind washing away and wear and tear to tube heat exchanging component 1.Meanwhile, the sliding in the accommodation space of tube heat exchanging component 1,
The on-line operation in boiler operation process can be realized, the operational efficiency of boiler is ensured.
Further, the end of jet chimney 4 is fixed with first flange 10；Referring to accompanying drawing 2, when tube heat exchanging component 1 is slided
When moving on to the position that first houses part, by first flange 10,8 company of being bolted of steam outward flange 9 and steam inner flange
Connect, steam inlet tube 7 is connected with jet chimney 4；Referring to accompanying drawing 3, when tube heat exchanging component 1 is slid onto the second accommodating part
During position, steam outward flange 9 is fixedly connected with first flange disk 11, to block steam pore, is made accommodating in casing frame 2
Space-closed.
Further, tube heat exchanging component 1 is slidably connected with casing frame 2 by pulley assembly；Pulley assembly includes：Rail
Road 3, several pulleys and steel wire rope；Track 3 is fixedly connected with casing frame 2；Several pulleys are arranged on tube heat exchanging component 1
On, can roll on the track 3；Steel wire rope is fixedly connected with tube heat exchanging component 1, by pullling steel wire rope, makes pipe type heat transfer unit
1 opposite shell framework of part, 2 sliding.
Further, casing frame 2 is further opened with condensate pore；The outer method of condensate is provided with outside condensate pore
Blue；The condensation water outlet pipe of tube heat exchanging component 1 is connected with condensate inner flange；The end of condensing water conduit 5 is fixed with second
Flange.
Wherein, when tube heat exchanging component 1 is slid onto the position of the first accommodating part, condensate inner flange stretches into condensate
Pore, second flange, condensate outward flange and condensate inner flange are bolted to connection, and are made condensation water outlet pipe and are coagulated
Bear water the connection of 5 road of pipe；When tube heat exchanging component 1 is slid onto the position of the second accommodating part, by condensate outward flange and second
Ring flange is fixedly connected, and to block condensate pore, closes the accommodation space in casing frame 2.
Be discussed in detail below by specific embodiment the application offer drawer type Boiler Air Heater's architectural feature and
Operation principle：
In low temperature environment in the winter time, for preventing cold end corrosion, tube heat exchanging component 1 is slided by pulling steel wire rope
The position of the first accommodating part is moved to, the first flange 10 of jet chimney 4 passes through spiral shell with steam outward flange 9 and steam inner flange 8
Bolt is connected, and the second flange of condensing water conduit 5 is bolted fixation with condensate outward flange and condensate inner flange.
Jet chimney 4 is passed through steam heating into tube heat exchanging component 1, and the cold air that pressure fan is sent is carried out with tube heat exchanging component 1
Heat exchange, is heated the cold air in air channel.
In non-winter, when average ambient temperature is higher than 10 DEG C, by the first flange 10 of jet chimney 4 and condensing water conduit
5 second flange is disconnected with steam outward flange 9 and condensate outward flange respectively, pulls steel wire rope by 1 sliding of tube heat exchanging component
To the position of the second accommodating part, by the steam outward flange 9 and condensate outward flange on casing frame 2 with first flange disk 11 and
Second flange disk is blind dead, after tube heat exchanging component 1 is removed from outlet conduits, is effectively reduced air drag in air channel, reaches
Reduce the purpose of blower fan power consumption.
This Boiler Air Heater's is that upgrading is formed on the basis of former fixed steam air heater, and the steam air heater is applied to
In the station boiler actual production of 300MW, burning blast-furnace gas mixed by station boiler, high fume temperature, and long-term running temperature is at 160 DEG C
More than, significantly larger than acid dew-point temperature, the probability of cold end cold end corrosion are little, the purer combustion of steam air heater time out of service
Coal-fired plant's time is long, by transformation, steam air heater is pulled out from air channel, air channel air drag 300pa can be effectively reduced, and reduces
Blower fan power consumption 25kW.
One or more technical schemes provided herein, at least have the following technical effect that or advantage：
As a result of fixing shell framework 2 between pressure fan and air preheater, and it is accommodating inside casing frame 2
Space, the accommodating part of first in accommodation space are connected with the inlet conduits of the outlet conduits and air preheater of pressure fan；Pipe
Formula heat exchange element 1 is slidably arranged in the accommodation space of casing frame 2, and can divide it in the first accommodating part and the second holding part
Between switching position；Tube heat exchanging component 1 is located in the position of the first accommodating part, and cold wind in air channel can be heated；When not
When needing heating air duct, tube heat exchanging component 1 is slid onto the position of the second accommodating part, drop from the position of the first accommodating part
Air drag in low air channel.So, efficiently solve in prior art wind road that air drag is larger, be unfavorable for reducing blower fan
The technical problem of power consumption, it is achieved that reduce air drag in air channel, and then reduce blower fan power consumption, while reduce wind to tubular type
The technique effect that heat exchange element washes away and weares and teares.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step describe in detail, be should be understood that the foregoing is only specific embodiment of the present utility model, be not used to limit
This utility model processed, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements that is done etc.,
Should be included within protection domain of the present utility model.
Claims (5)
1. a kind of drawer type Boiler Air Heater's, it is characterised in that the drawer type Boiler Air Heater's include：
Casing frame, is arranged between pressure fan and air preheater, and internal is accommodation space；The accommodation space includes first
Accommodating part and the second accommodating part, the described first accommodating outlet conduits and the air preheater partly with the pressure fan
Inlet conduits connection；The casing frame opens up steam pore；Steam outward flange is provided with outside the steam pore；
Tube heat exchanging component, is arranged in the accommodation space, and can slide in the casing frame, to hold described first
Switch between the position for putting part and the second accommodating part；The steam inlet tube of the tube heat exchanging component is connected with steam
Inner flange；
Jet chimney, is connected with the steam outward flange, for being input into steam；
Wherein, when the tube heat exchanging component is slid onto the position of the described first accommodating part, the steam inner flange is stretched into
The steam pore, is coordinated with the steam outward flange by the steam inner flange and is fixed, by the steam inlet tube and institute
State jet chimney connection.
2. drawer type Boiler Air Heater's as claimed in claim 1, it is characterised in that
External diameter of the aperture of the steam pore not less than the steam inner flange；
The steam outward flange is weldingly fixed on outside the steam pore.
3. drawer type Boiler Air Heater's as claimed in claim 1, it is characterised in that
The end of the jet chimney is fixed with first flange；
When the tube heat exchanging component is slid onto the position of the described first accommodating part, by the first flange, the steam
Outward flange and the steam inner flange are bolted to connection, and the steam inlet tube is connected with the jet chimney；
When the tube heat exchanging component is slid onto the position of the described second accommodating part, by the steam outward flange and the first method
Blue disk is fixedly connected, and to block the steam pore, closes the accommodation space in the casing frame.
4. drawer type Boiler Air Heater's as claimed in claim 1, it is characterised in that
The tube heat exchanging component is slidably connected with the casing frame by pulley assembly；
The pulley assembly includes：Track, several pulleys and steel wire rope；
The track is fixedly connected with the casing frame；
Several pulleys described are arranged on the tube heat exchanging component, can be rolled on the track；
The steel wire rope is fixedly connected with the tube heat exchanging component, by pullling the steel wire rope, makes the pipe type heat transfer unit
The relatively described casing frame sliding of part.
5. drawer type Boiler Air Heater's as claimed in claim 1, it is characterised in that
The casing frame opens up condensate pore；
Condensate outward flange is provided with outside the condensate pore；
The condensation water outlet pipe of the tube heat exchanging component is connected with condensate inner flange；
The end of the condensing water conduit is fixed with second flange；
Wherein, when the tube heat exchanging component is slid onto the position of the described first accommodating part, the condensate inner flange is stretched
Enter the condensate pore, the second flange, the condensate outward flange and the condensate inner flange is solid by bolt
Fixed connection, makes the condensation water outlet pipe connect with the condensing water conduit；
When the tube heat exchanging component is slid onto the position of the described second accommodating part, by the condensate outward flange and second
Ring flange is fixedly connected, and to block the condensate pore, closes the accommodation space in the casing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986720.4U CN206018693U (en) | 2016-08-30 | 2016-08-30 | Drawer type boiler air heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986720.4U CN206018693U (en) | 2016-08-30 | 2016-08-30 | Drawer type boiler air heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206018693U true CN206018693U (en) | 2017-03-15 |
Family
ID=58253343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620986720.4U Active CN206018693U (en) | 2016-08-30 | 2016-08-30 | Drawer type boiler air heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206018693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688604A (en) * | 2022-04-28 | 2022-07-01 | 西安热工研究院有限公司 | Movable air heater system |
-
2016
- 2016-08-30 CN CN201620986720.4U patent/CN206018693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688604A (en) * | 2022-04-28 | 2022-07-01 | 西安热工研究院有限公司 | Movable air heater system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |